Hierarchy/Derived subclasses
252 / 186.1 | -> 186.25 | -> 186.27 | -> 186.3 | -> 186.31 |
uspto searches
Patent Apps in 252/186.3Granted Patents in 252/186.3
Use the links above or do an advanced search in ppubs for:
(252/186.3.ccls. or 252/186.31.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.